Inch-Pound to Kilojoule Converter

Energy Converter

27 units available

Decimals:

From

To

0.000113

1 in·lbf = 0.000113 kJ

Formula:

kJ = in·lbf × 0.0001129848

With your value: 1 in·lbf = 0.00011298 kJ

How big is that?

Everyday references on a logarithmic scale, all expressed in inch-pound so you can sanity-check the result.

Your value1.00 in·lbf

Heartbeat (8.9× your value)8.85 in·lbf

AA battery charge (8.9e+4× your value)8.85e+4 in·lbf

Slice of bread (2.5e+6× your value)2.48e+6 in·lbf

Daily food intake (7.4e+7× your value)7.43e+7 in·lbf

Litre of petrol (3.0e+8× your value)3.03e+8 in·lbf

Other Inch-Pound to Kilojoule conversions

2 in·lbf to kJ 3 in·lbf to kJ 4 in·lbf to kJ 5 in·lbf to kJ 6 in·lbf to kJ 7 in·lbf to kJ 8 in·lbf to kJ

Inch-Pound to Kilojoule Conversion Table

Inch-Pound (in·lbf)	Kilojoule (kJ)
0.5	5.649241e-5
1	0.000113
2	0.000226
5	0.000565
10	0.00113
15	0.001695
20	0.00226
25	0.002825
50	0.005649
100	0.011298
250	0.028246
500	0.056492
1000	0.112985

Kilojoule to Inch-Pound Conversion Table

Kilojoule (kJ)	Inch-Pound (in·lbf)
0.5	4,425.372896
1	8,850.745791
2	17,701.491583
5	44,253.728957
10	88,507.457913
15	132,761.18687
20	177,014.915826
25	221,268.644783
50	442,537.289566
100	885,074.579132
250	2,212,686.44783
500	4,425,372.89566
1000	8,850,745.791321

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Inch-Pound (in·lbf)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Kilojoule (kJ)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Inch-Pound to Kilojoule

To convert from Inch-Pound (in·lbf) to Kilojoule (kJ), multiply the value by 0.0001129848.

Formula: kJ = in·lbf × 0.0001129848

Reverse: in·lbf = kJ × 8,850.7457913207

Step-by-Step Example

Start with your value in Inch-Pound. For example: 5 in·lbf
Multiply by the conversion factor: 5 x 0.0001129848
The result is: 0.000565 kJ

About Inch-Pound

The inch-pound (in·lbf) is a unit of energy and work. One inch-pound equals 0.112984829 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

About Kilojoule

The kilojoule (kJ) is a unit of energy and work. One kilojoule equals 1000 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

Frequently Asked Questions

How many Kilojoule are in 1 Inch-Pound?

There are exactly 0.0001129848 Kilojoule in 1 Inch-Pound. This means the conversion factor from Inch-Pound to Kilojoule is 0.0001129848.

What is the formula to convert Inch-Pound to Kilojoule?

The formula to convert Inch-Pound to Kilojoule is: kJ = in·lbf × 0.0001129848. For example, to convert 10 Inch-Pound to Kilojoule, you would multiply 10 by 0.0001129848.

What is a Inch-Pound?